CN215544268U - Bending stamping die with limiting assembly - Google Patents
Bending stamping die with limiting assembly Download PDFInfo
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- CN215544268U CN215544268U CN202121671941.XU CN202121671941U CN215544268U CN 215544268 U CN215544268 U CN 215544268U CN 202121671941 U CN202121671941 U CN 202121671941U CN 215544268 U CN215544268 U CN 215544268U
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- bending block
- base plate
- shaped guide
- stamping
- limiting
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Abstract
The utility model provides a bending stamping die with a limiting assembly, which comprises an upper die structure and a lower die structure, wherein the lower die structure comprises a lower die base, a left base plate, a right base plate, a left bending block, a right bending block, a return spring, a rotating shaft, an inverted U-shaped guide rail and the limiting assembly; the left base plate and the right base plate are respectively and oppositely fixedly arranged on the upper surface of the lower die holder, a stamping gap is formed between the left base plate and the right base plate, the left bending block and the right bending block are rotatably connected through a rotating shaft, the left bending block is movably arranged on the upper surface of the left base plate, and the right bending block is movably arranged on the upper surface of the right base plate; the limiting assembly comprises a left limiting structure and a right limiting structure; the left limiting structure and the right limiting structure respectively comprise a push-pull motor and a push plate, the push plate is connected with the power output end of the push-pull motor, and the push-pull motor on one corresponding side is correspondingly and fixedly installed on the left bending block and the right bending block respectively. The plate blank can be limited and fixed, and the plate blank can be adjusted according to the size of the product, so that the plate blank has high applicability.
Description
Technical Field
The utility model relates to the technical field of stamping dies, in particular to a bending stamping die with a limiting assembly.
Background
The stamping die is a special process equipment for processing materials (metal or nonmetal) into parts (or semi-finished products) in cold stamping, and is called cold stamping die (commonly called cold stamping die). Stamping is a press working method in which a die mounted on a press is used to apply pressure to a material at room temperature to cause separation or plastic deformation of the material, thereby obtaining a desired part. The bending die is a die for bending and deforming a sheet blank or other blanks along a straight line (bending line) so as to obtain a workpiece with a certain angle and shape. In the existing bending die structure, because the blank of the plate material is not limited before stamping, the shape of the finished product after stamping has large difference, the workload of later-stage processing is increased, even if part of the bending die has a limiting structure, the size of the bending die cannot be adjusted according to the size of the product, and in view of the situation, improvement is needed urgently.
SUMMERY OF THE UTILITY MODEL
Therefore, the utility model aims to provide a bending and stamping die with a limiting assembly, which can ensure that a sheet blank can be limited and fixed, can be adjusted according to the size of a product and has high applicability.
The utility model provides a bending stamping die with a limiting assembly, which comprises an upper die structure and a lower die structure, wherein the upper die structure comprises an upper die base, a punch base and a punch, and the lower die structure comprises a lower die base, a left base plate, a right base plate, a left bending block, a right bending block, a reset spring, a rotating shaft, an inverted U-shaped guide rail and a limiting assembly; the left base plate and the right base plate are respectively and fixedly arranged on the upper surface of the lower die base in opposite directions, a stamping gap is formed between the left base plate and the right base plate, and the reset spring is arranged in the stamping gap; the left bending block and the right bending block are rotatably connected together through a rotating shaft, the left bending block is movably arranged on the upper surface of the left base plate, and the right bending block is movably arranged on the upper surface of the right base plate; the limiting assembly comprises a left limiting structure and a right limiting structure; the left limiting structure and the right limiting structure respectively comprise a push-pull motor and a push plate, the push plate is connected with the power output end of the push-pull motor, and the push-pull motor on one corresponding side is correspondingly and fixedly arranged on the left bending block and the right bending block respectively; the inverted U-shaped guide rail is fixedly arranged on the upper surface of the lower die base and corresponds to the stamping gap in position, and the free end of the rotating shaft penetrates through the inverted U-shaped guide rail; when the left bending block and the right bending block are horizontally placed, the reset spring is in a completely unfolded state, the upper end of the reset spring is abutted and contacted with the lower surfaces of the left bending block and the right bending block, and the free end of the rotating shaft is abutted and contacted with the top of the inner cavity of the inverted U-shaped guide rail.
Preferably, the number of the inverted U-shaped guide rails is two, and the two inverted U-shaped guide rails are respectively arranged on two opposite sides of the stamping gap; the free ends of the two sides of the rotating shaft penetrate through the inverted U-shaped guide rail on the corresponding side.
Preferably, an arc-shaped guide surface is formed on one side, close to the stamping gap, of the left bending block, and an arc-shaped guide surface is formed on one side, close to the stamping gap, of the right bending block.
As a preferred scheme, a limiting block corresponding to the left bent block is arranged on the upper surface of the left base plate in a surrounding manner; and a limiting block corresponding to the shape of the right bent block is arranged on the upper surface of the right base plate in a surrounding manner.
As an optimal scheme, tension springs are arranged on the inner sides of the limiting blocks on two sides, and the tension springs on the corresponding side are respectively connected with one side face of the free end of the left bending block and one side face of the free end of the right bending block.
The utility model has the beneficial effects that: when the sheet blank is placed on the left bending block and the right bending block, the sheet blank is tightly pushed by push plates on two sides to be used for bending and stamping by an upper die structure; the relative distance of the push plates at the two sides can be adjusted by the push-pull motor, so that the push plates can be adjusted according to the size of the product, and the applicability is high.
Drawings
Fig. 1 is a side view of the present invention.
Fig. 2 is a plan view of the left base plate, the right base plate, the left bending block and the right bending block (showing the limiting blocks and the tension springs).
The reference signs are: the stamping die comprises an upper die base 10, a punch base 11, a punch 12, a rotating shaft 13, a right limiting structure 16, a push-pull motor 15, a push plate 14, a stamping gap 17, a return spring 18, a lower die base 19, a left backing plate 21, an arc-shaped guide surface 20, a left bending block 23, a limiting block 22, a plate blank 24, a tension spring 25, an inverted U-shaped guide rail 26, a left limiting structure 28, a right bending block 29 and a right backing plate 30.
Detailed Description
For a better understanding of the features and technical solutions of the present invention, together with the specific objects and functions attained by the utility model, reference is made to the following detailed description and accompanying drawings that form a part hereof.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
Referring to fig. 1-2, the present invention provides a bending stamping die with a limiting assembly, which includes an upper die structure and a lower die structure, wherein the upper die structure includes an upper die base 10, a punch base 11, and a punch 12, the punch base 11 is installed on a lower surface of the upper die base 10, and the punch 12 is installed on a lower surface of the punch base 11 and corresponds to the lower die structure in position. The lower die structure comprises a lower die base 19, a left base plate 21, a right base plate 30, a left bending block 23, a right bending block 29, a return spring 18, a rotating shaft 13, an inverted U-shaped guide rail 26 and a limiting assembly.
The left base plate 21 and the right base plate 30 are respectively oppositely and fixedly arranged on the upper surface of the lower die holder 19, a stamping gap 17 is formed between the left base plate 21 and the right base plate 30, and the return spring 18 is arranged in the stamping gap 17; the left bending block 23 and the right bending block 29 are rotatably connected together through the rotating shaft 13, and in the structure, through holes for inserting the rotating shaft 13 are integrally formed at the connecting ends of the left bending block 23 and the right bending block 29. The left bending block 23 is movably arranged on the upper surface of the left base plate 21, and the right bending block 29 is movably arranged on the upper surface of the right base plate 30; the limiting assembly comprises a left limiting structure 28 and a right limiting structure 16; the left limiting structure 28 and the right limiting structure 16 both comprise a push-pull motor 15 and a push plate 14, the push plate 14 is connected with the power output end of the push-pull motor 15, and the push-pull motor 15 on one corresponding side is correspondingly and fixedly arranged on the left bending block 23 and the right bending block 29 respectively; the inverted U-shaped guide rail 26 is fixedly arranged on the upper surface of the lower die holder 19 and corresponds to the stamping gap 17 in position, and the free end of the rotating shaft 13 penetrates through the inverted U-shaped guide rail 26; the number of the inverted U-shaped guide rails 26 is two, and the two inverted U-shaped guide rails 26 are respectively arranged on two opposite sides of the stamping gap 17; the free ends of the two sides of the rotating shaft 13 penetrate through the inverted U-shaped guide rail 26 on the corresponding side.
When the left bending block 23 and the right bending block 29 are in a horizontal state, the return spring 18 is in a fully unfolded state, the upper end of the return spring 18 is in contact with the lower surfaces of the left bending block 23 and the right bending block 29 in an abutting mode, and the free end of the rotating shaft 13 is in contact with the top of the inner cavity of the inverted U-shaped guide rail 26 in an abutting mode.
An arc-shaped guide surface 20 is formed on one side of the left bending block 23 close to the punching gap 17, and an arc-shaped guide surface 20 is formed on one side of the right bending block 29 close to the punching gap 17. By providing the arc-shaped guide surface 20, the left bending block 23 and the right bending block 29 can slide more smoothly into the press gap 17, and the smoothness of the bending operation is improved.
A limiting block 22 corresponding to the left bending block 23 in shape is arranged on the upper surface of the left base plate 21 in a surrounding mode; the upper surface of the right backing plate 30 is surrounded with a limiting block 22 corresponding to the shape of the right bending block 29. By arranging the limiting block 22, the left bending block 23 and the right bending block 29 after bending action can be accurately reset, and the stamping quality is ensured.
The inner sides of the two side limiting blocks 22 are respectively provided with a tension spring 25, and the tension spring 25 on the corresponding side is respectively connected with one side surface of the free end of the left bending block 23 and one side surface of the right bending block 29. By providing the tension spring 25, the left bending block 23 and the right bending block 29 after the auxiliary bending operation are returned to the initial positions.
The operating principle of the present embodiment is: the push-pull motors 15 on the two sides enable the push plates 14 to adjust the relative distance according to the size of a plate blank 24 to be punched, and the plate blank is placed on the left bending block 23 and the right bending block 29 and is abutted against the push plates 14 on the two sides; the upper die structure drives the punch 12 to press downwards to the position of the punching gap 17, when the punch 12 is contacted with the sheet blank 24, the left bending block 23 and the right bending block 29 move downwards into the punching gap 17 under the driving of the rotating shaft 13 along with the continuous downward movement of the punch 12, and the return spring 18 is in a compressed state; when the punch 12 is reset after the preset displacement distance is finished, the reset spring 18 drives the left bending block 23 and the right bending block 29 to reset along with the reset of the punch 12 until the left bending block 23 and the right bending block 29 reset to the horizontal state, preparation is made for the next bending and punching action, the next sheet blank 24 is put into after the finished product is taken away, and the operation is repeated.
The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the present invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (5)
1. The utility model provides a take stamping die that bends of spacing subassembly, includes last die structure and lower die structure, it includes upper die base (10), drift seat (11) to go up the die structure, drift (12), its characterized in that: the lower die structure comprises a lower die base (19), a left base plate (21), a right base plate (30), a left bending block (23), a right bending block (29), a return spring (18), a rotating shaft (13), an inverted U-shaped guide rail (26) and a limiting assembly; the left base plate (21) and the right base plate (30) are fixedly arranged on the upper surface of the lower die base (19) in an opposite mode respectively, a stamping gap (17) is formed between the left base plate (21) and the right base plate (30), and the return spring (18) is arranged in the stamping gap (17); the left bending block (23) and the right bending block (29) are rotatably connected together through a rotating shaft (13), the left bending block (23) is movably arranged on the upper surface of the left base plate (21), and the right bending block (29) is movably arranged on the upper surface of the right base plate (30); the limiting assembly comprises a left limiting structure (28) and a right limiting structure (16); the left limiting structure (28) and the right limiting structure (16) respectively comprise a push-pull motor (15) and a push plate (14), the push plate (14) is connected with the power output end of the push-pull motor (15), and the push-pull motor (15) on one corresponding side is correspondingly and fixedly installed on the left bending block (23) and the right bending block (29) respectively; the inverted U-shaped guide rail (26) is fixedly arranged on the upper surface of the lower die holder (19) and corresponds to the stamping gap (17), and the free end of the rotating shaft (13) penetrates through the inverted U-shaped guide rail (26); when the left bending block (23) and the right bending block (29) are in a horizontal placement state, the return spring (18) is in a fully unfolded state, the upper end of the return spring (18) is in abutting contact with the lower surfaces of the left bending block (23) and the right bending block (29), and the free end of the rotating shaft (13) is in abutting contact with the top of the inner cavity of the inverted U-shaped guide rail (26).
2. The bending and stamping die with the limiting assembly according to claim 1, characterized in that: the number of the inverted U-shaped guide rails (26) is two, and the two inverted U-shaped guide rails (26) are respectively arranged on two opposite sides of the stamping gap (17); the free ends of the two sides of the rotating shaft (13) penetrate through the inverted U-shaped guide rail (26) on the corresponding side.
3. The bending and stamping die with the limiting assembly according to claim 1, characterized in that: an arc-shaped guide surface is formed on one side, close to the stamping gap (17), of the left bending block (23), and an arc-shaped guide surface (20) is formed on one side, close to the stamping gap (17), of the right bending block (29).
4. The bending and stamping die with the limiting assembly according to claim 1, characterized in that: a limiting block (22) corresponding to the left bending block (23) in shape is arranged on the upper surface of the left base plate (21) in a surrounding mode; and a limiting block (22) corresponding to the right bending block (29) in shape is arranged on the upper surface of the right base plate (30) in a surrounding manner.
5. The bending and stamping die with the limiting assembly according to claim 4, characterized in that: both sides stopper (22) inboard all is provided with extension spring (25), corresponds one side extension spring (25) respectively with bend a left side piece (23), bend a free end side of piece (29) on the right side and be connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121671941.XU CN215544268U (en) | 2021-07-21 | 2021-07-21 | Bending stamping die with limiting assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121671941.XU CN215544268U (en) | 2021-07-21 | 2021-07-21 | Bending stamping die with limiting assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215544268U true CN215544268U (en) | 2022-01-18 |
Family
ID=79827504
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121671941.XU Active CN215544268U (en) | 2021-07-21 | 2021-07-21 | Bending stamping die with limiting assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215544268U (en) |
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2021
- 2021-07-21 CN CN202121671941.XU patent/CN215544268U/en active Active
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